Home / 8,868.47-12,238.12-4,835.21

Finding the Fourth Proportional to 8,868.47, 12,238.12 and 4,835.21

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Solution

The fourth proportional to 8,868.47, 12,238.12 and 4,835.21 is: 6,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.47 : 12,238.12 = 4,835.21 : x
  2. Step 2: Convert to fraction form
    8,868.47/12,238.12 = 4,835.21/x
  3. Step 3: Cross multiply
    8,868.47x = 12,238.12 × 4,835.21
  4. Step 4: Simplify right side
    8,868.47x = 59,173,880.21
  5. Step 5: Solve for x
    x = 59,173,880.21/8,868.47
  6. Step 6: Final answer
    x = 6,672.39

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Half scale
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Double scale
Find fourth proportional to 8,869.47, 12,239.50 and 4,836.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.